Finding the Fourth Proportional to 191,923.20, 264,768.36 and 111,303.99
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Solution
The fourth proportional to 191,923.20, 264,768.36 and 111,303.99 is: 153,549.83
Step by Step Solution
- Step 1: Write the proportion equation
191,923.20 : 264,768.36 = 111,303.99 : x - Step 2: Convert to fraction form
191,923.20/264,768.36 = 111,303.99/x - Step 3: Cross multiply
191,923.20x = 264,768.36 × 111,303.99 - Step 4: Simplify right side
191,923.20x = 29,469,774,893.76 - Step 5: Solve for x
x = 29,469,774,893.76/191,923.20 - Step 6: Final answer
x = 153,549.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.